package java_0708;

import java.util.concurrent.locks.ReentrantLock;

public class ReentrantLockT {
    static class Counter{
        public int count = 0;
        public ReentrantLock locker = new ReentrantLock(true);
        public void increase(){
            locker.lock();
            count++;
            locker.unlock();
        }
    }
    public static void main(String[] args) throws InterruptedException {
        Counter counter = new Counter();
        Thread t1 = new Thread(() -> {
            for(int i=0;i<5000;i++){
                counter.increase();
            }
        });
        Thread t2 = new Thread(() -> {
            for(int i=0;i<5000;i++){
                counter.increase();
            }
        });
        t1.start();
        t2.start();

        t1.join();
        t2.join();
        System.out.println(counter.count);
    }
}
